Home / 53,534.94-80,186.78-50,390.71

Finding the Fourth Proportional to 53,534.94, 80,186.78 and 50,390.71

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Solution

The fourth proportional to 53,534.94, 80,186.78 and 50,390.71 is: 75,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.94 : 80,186.78 = 50,390.71 : x
  2. Step 2: Convert to fraction form
    53,534.94/80,186.78 = 50,390.71/x
  3. Step 3: Cross multiply
    53,534.94x = 80,186.78 × 50,390.71
  4. Step 4: Simplify right side
    53,534.94x = 4,040,668,702.32
  5. Step 5: Solve for x
    x = 4,040,668,702.32/53,534.94
  6. Step 6: Final answer
    x = 75,477.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.